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Assoli18 [71]
3 years ago
6

the average daily temperature in Denton rose from -8f in January to 43f in March. What was the rise in average daily temperature

from January to March?
Mathematics
2 answers:
Ipatiy [6.2K]3 years ago
7 0

Answer:

51 F

Step-by-step explanation:

vaieri [72.5K]3 years ago
4 0

Answer:

Rise in average daily temperature from January to March=51°F

Step-by-step explanation:

Given:

Average daily temperature in Denton for the month of January = -8°F

Average daily temperature in Denton for the month of January = 43°F

Rise in average daily temperature from January to March= Difference in average temperatures = 43\°F-(-8\°F)=43\°F+8\°F=51\°F

[When we subtract a negative number from a positive number, they get added up.]

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torisob [31]
-13+21=14
The temperature is 14 degrees during your afternoon.
5 0
3 years ago
The teacher tells the class the highest marks obtained by a student in her class is twice the lowest marks plus 7 . the highest
Ilya [14]

Answer:

40

Step-by-step explanation:

highest=2(lowest)+7

Replace the variables here:

87=2(lowest)+7

minus 7 on both sides

80=2(lowest)

divide both sides by 2

40=lowest

7 0
3 years ago
In Exercises 17-20, find the value of x so that the function has the given value. 17. f(x) = 8x - 7; f(x) = 17
Nastasia [14]

Answer:

17.) x = 3

18.) x = -5

I couldn't do 19.) and 20.) for you because there are weird symbols that I believe you mistakenly input. But I'm sure you now get the gist of how to solve such problems. Peace <3

Step-by-step explanation:

All you really have to do for all of the problems is substitute your value of "x" for the function.

17.) f(x) = 8x - 7; f(x) =17

    17 = 8x -7  ---- substitute 17 for f(x), add 7 on both sides

    24 = 8x ------ divide 8 on both sides

    x = 3

18.)    g(x) = -4x + 7; g(x) = 27

           27  = -4x + 7  substitute 27 for g(x), subtract 7 on both sides

           20 = -4x

            x = -5

5 0
2 years ago
Trigonometry question! find y. round to the nearest tenth!​
tresset_1 [31]

Answer:

<h2>y = 242.4 ft</h2>

Step-by-step explanation:

Look at the picture.

Use sine:

sine=\dfrac{opposite}{hypotenuse}

We have a measure of the angle and length of the hypotenuse:

\alpha=29^o,\ hypotenuse=500\ ft

\sin29^o\approx0.48481

Substitute:

\dfrac{y}{500}=0.48481              <em>multiply both sides by 500</em>

y=242.405\to y\approx242.4

7 0
3 years ago
The mean of 8 math quiz scores is 88. If the first seven scores are 85,70,92,85,91,100, and 88, what is the eighth quiz score? U
777dan777 [17]

Answer:

93

Step-by-step explanation:

The mean of a list of numbers is the sum of the numbers divided by the count of the numbers in the list.

In this case, representing the eighth score with x, the mean is (611+x)/8

Solving for the mean:

88=(611+x)/8

Multiply both sides by 8

8*88=611+x

704=611+x

704-611=x

x=93

3 0
3 years ago
Read 2 more answers
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